Guide to the Ralph M. Heintz Prints, Tracings, and Sketches M0293
Processed by Edward F. Meylan; machine-readable finding aid created by C. Del Anderson
Department of Special Collections and University Archives
1998; revised 2019
Green Library
557 Escondido Mall
Stanford 94305-6064
specialcollections@stanford.edu
Language of Material:
English
Contributing Institution:
Department of Special Collections and University Archives
Title: Ralph M. Heintz Prints, Tracings, and Sketches
creator:
Heintz, Ralph M.
Identifier/Call Number: M0293
Physical Description:
3 Linear Feet
(43 map folders and 10 rolls)
Date (inclusive): 1929-1976
Abstract: This collection consists of prints, tracings, and sketches of technical equipment such as compressors, engines, and generators.
Scope and Contents
This collection consists of prints, tracings, and sketches of technical equipment such as compressors, engines, and generators.
The companies represented in these materials include: Ampex Corporation, Coolerator Company, Bendix Aviation Corporation,
ITT Corporation, American Motors Corporation, Dalmo-Victor Company, Studebaker Corporation, Hewlett-Packard Company, Eitel
McCullough Corporation, Jack & Heintz, and Heintz & Kaufman. There are also two rolls of blueprints for a private residence
and a school. Most of the materials are stamped 'The Ramohs', which was Ralph and Sophie Heintz's home and workshop in Los
Gatos, California.
Note: Some of the materials are fragile and require extra care while handling.
Biographical / Historical
Ralph M. Heintz was chemical engineer and a physical chemist. He was a leading figure in early electronics and radio engineering.
After serving in the U.S. Army Signal Corps in World War I, Heintz earned a chemistry degree from Stanford University. He
then started the firm Heintz & Kaufman which produced transmitting and vacuum tubes for radios as well as completed radio
sets primarily for airplanes and ships.
Preferred Citation
[Identification of item] Ralph M. Heintz prints, tracings, and sketches, (M0293) Dept. of Special Collections, Stanford University
Libraries, Stanford, Calif.
Conditions Governing Use
While Special Collections is the owner of the physical and digital items, permission to examine collection materials is not
an authorization to publish. These materials are made available for use in research, teaching, and private study. Any transmission
or reproduction beyond that allowed by fair use requires permission from the owners of rights, heir(s) or assigns. See: http://library.stanford.edu/spc/using-collections/permission-publish
Conditions Governing Access
The collection is open for research. Note that material is stored off-site and must be requested at least 36 hours in advance
of intended use.
Provenance
Received from M. E., London, 1977
Related Materials
Ralph M. Heintz papers, 1930-1976, Bancroft Library, UC Berkeley
Perham Collection, History San Jose
Subjects and Indexing Terms
Compressors.
Refrigeration and refrigerating machinery.
Sketches.
Tracings.
Prints.
Heintz, Ralph M.
Ampex Corporation
roll 1
1p: Prints for "A-1" Job - Press & Dies for Ampex Electronics Corp. - Speaker Diaphragms
1953
roll 2
1t: Tracings for "A-1" Job - Press & Dies for Ampex Electronics Corp. - Speaker Diaphragms
1953
roll 3
27t: Tracings for "A-2" Job - Die for Dome, 620 Speaker for Ampex Corp.
1975
roll 4
37. "AN" Job - Tracings & Prints Autosyn Motor
1975
roll 5
34p: Prints for "AN" Job - Tracings & Prints Autosyn Indicator
1956
roll 6
34t: Tracings for "AN" Job - Tracings & Prints Autosyn Indicator
1956
roll 7
11t: Tracings for B1-compressor refrigerator for Coolerator
1955
roll 8
19s: Sketches for C1-compressor refrigerator for Coolerator
1953
roll 9
19at: Tracings for C1-compressor condenser, evaporator, etc. for Coolerator
1953-1955
roll 10
19t: Tracings for "C1" compressor refrigerator evaporator for Coolerator
1954-1955
roll 11
19p: Prints for "C1" compressor refrigerator evaporator for Coolerator
1954-1955
roll 12
33t: Tracings for "C-1" Balancing machine for ITT
1956 January 25
roll 13
25t: Tracings for CIA Compressor Refrigerator for ITT
1955
roll 14
25p: Prints for CIA Refrigerator for ITT
1955
roll 15
20t: Tracings for "C2" Compressor (Refrigerator) for Coolerator
1954
roll 16
20p: Prints for "C2" Compressor (Refrigerator) for Coolerator
1954
roll 17
2s: Sketches for "D-1" Radar-Hydraulic System for Scan Dalmo-Victor
roll 18
2p: Prints for "D-1" Radar-Hydraulic System for Scan Dalmo-Victor
1953 April 17
roll 19
3p: Prints for "D-1" Radar-Hydraulic System for Scan Dalmo-Victor
1953 April 17
roll 20
9p: Prints for "DV-5" Job Fluid magnetic clutch for Dalmo-Victor
1975
roll 21
9t: Tracings for "DV-5" Job Fluid "TA" Turbine and Alternator; R-6 40 KVA Cascade Alt./H101 Clutch Generator Protection; Chromel
vs. Alumel graph; Torque, Power, Speed nomograph
1975
roll 22
10ap: Prints for "F-1" Free Piston engine. prints
1952
roll 23.1
10bp: Prints for "F-1" Free Piston engine. prints
1954-1960
roll 23.2
10bp: Prints for "F-1" Free Piston engine. prints
1954-1960
roll 23A
10as: Sketches for Free Piston engine for RMH
1954-1960
roll 24
24t: Tracings for G10 Alternator for ITT
1955
roll 25
24p: Prints for G10 Alternator for ITT
1955
roll 26
21s: Sketches for G1 Generator, automotive for ITT
1954
roll 27
28t: Tracings for G11 Automotive alternator for ITT
1975
roll 28
8t: Tracings for G29 Generator with G37 type commutator, Jack & Heintz
1951
roll 29
8p: Prints for G29 Generator, Jack & Heintz
1951
roll 30
7t: Tracings for G37 Generator
1950
roll 31
7p: Prints for G37 Generator (by Jack & Heintz)
1950
roll 32
23p: Prints for G300 Generator Jack & Heintz
1948
roll 33
35p: Prints for "M1" 10-position switch (EMPTY)
roll 34
36t: Tracings for "M2" G contact connector (EMPTY)
roll 35
26t: Tracings for "V1" Vapor phase for ITT
1950
roll 36
6s: Sketches for B.G. Engine sketches
1950
roll 37
6t: Tracings for B.G. Engine tracings
1950
roll 38
5cp: Current prints. R-4 Engine
1975
roll 39
5dp: Old prints. R-4 Engine
1952-1953
roll 40
12s: Sketches for RAM Engine starter
undated
roll 41
13p: Prints for Dalmo-Victor Co.
1974
roll 42
15p: Prints for Free Piston
1974
roll 43
16p: Prints for Studebaker V8 Block & Crankshaft
1973
roll 44
17p: Prints for Lee Governor
1974
roll 45
27t: Tracings for A2 Job for Ampex Corp. - Die for Dome 620 Speaker
1955-1991
roll 46
29t: Tracings for Type 300 Gas Engine, Heintz & Kaufman
1929-1930
roll 47
30: Lick-Wilmerding High School Plans
1949
roll 48
31: Main House Plans - W. King White Residence, Blossom Hill Road, Santa Clara County
1946
roll 49
Thin tracing paper. Albanene no. 1951 (EMPTY)
Physical Description: 1 roll (30 in. x 20 yards)
roll 50
American Motors Corporation Head Rev. SEPIA
1973-1975
roll 51
American Motors Corporation Head Rev. SEPIA
1974-1975
Scope and Contents
Includes correspondence from American Motors Corporation.
roll 52
American Motors Corporation Head Rev. SEPIA
1974
roll 53
American Motors Corporation Head Rev. SEPIA
1973-1975
roll 54
High Frequency Alternator for ITT; G37 Generator
1950-1955
roll 55
Numeric Display Module Assembly SSD Model 130; 4 Cylinder Air Cooled Automotive Engine Model A4, Jack & Heintz
1946-1968